// Copyright (C) Kumo inc. and its affiliates.
// Author: Jeff.li lijippy@163.com
// All rights reserved.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published
// by the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.
//


#include <pollux/expression/type_signature.h>
#include <pollux/common/base/exceptions.h>

namespace kumo::pollux::exec {
    void toAppend(
        const kumo::pollux::exec::TypeSignature &signature,
        std::string *result) {
        result->append(signature.toString());
    }

    std::string TypeSignature::toString() const {
        std::ostringstream out;
        if (rowFieldName_.has_value()) {
            out << *rowFieldName_ << " ";
        }
        out << baseName_;
        if (!parameters_.empty()) {
            out << "(" << melon::join(",", parameters_) << ")";
        }
        return out.str();
    }
} // namespace kumo::pollux::exec
